4446135509 has 2 divisors, whose sum is σ = 4446135510. Its totient is φ = 4446135508.

The previous prime is 4446135503. The next prime is 4446135539. The reversal of 4446135509 is 9055316444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4144140625 + 301994884 = 64375^2 + 17378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4446135509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4446135503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223067754 + 2223067755.

It is an arithmetic number, because the mean of its divisors is an integer number (2223067755).

Almost surely, 2^4446135509 is an apocalyptic number.

It is an amenable number.

4446135509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4446135509 is an equidigital number, since it uses as much as digits as its factorization.

4446135509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 4446135509 is about 66679.3484446271. The cubic root of 4446135509 is about 1644.3498826365.

The spelling of 4446135509 in words is "four billion, four hundred forty-six million, one hundred thirty-five thousand, five hundred nine".